Author Archives: lui_gough

About lui_gough

I'm a bit of a nut for electronics, computing, photography, radio, satellite and other technical hobbies. Click for more about me!

Review: SanDisk Ultra Dual Drive m3.0 128Gb USB Flash Drive

It doesn’t happen very often, but once in a while, I need a new USB flash drive. This time around, I was looking for something cheap, of reputable make and 128Gb capacity. Interestingly, looking around my local computer shop, the … Continue reading

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Event: CeBIT Australia 2018 Exhibition (15-17 May)

It’s become a ritual – every year, around this time, CeBIT comes to Sydney and I pay them a visit. It’s always a privilege to be able to walk around the expo to see who’s around, what’s new and catch-up … Continue reading

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Project: Generic Electronic 57 LED Hourglass Kit (TJ-56-205)

I couldn’t help myself, so once I finish one kit, it’s often straight onto another. This kit was sold as an electronic LED hourglass and was a little more expensive at AU$3.07 including postage. Compared to local suppliers, this is … Continue reading

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Project: Generic 18 Red LED Flashing Love Heart Kit (TJ-56-30)

Another day, another classic kit. It seems that LED heart-shaped displays are a timeless novelty, so after building a multi-coloured chasing heart and a breathing heart, why not a flashing one? For just AU$1.68 including postage, I managed to score … Continue reading

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Teardown: Generic Wall-Mountable Passive PoE Midspan Injector

For a lot of modern networked devices, Power over Ethernet (PoE) is a big convenience, allowing the one cable to power a remote device (be it an access point, camera, etc.) and supply the data connectivity to it. While there … Continue reading

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Project: Unbranded Generic NE555+CD4017 SMD LED Chaser Kit (YL-117)

I had a little time this evening, so I thought, why not crack open a kit? After all, I did buy a stack of cheap eBay kits to keep me amused and give me something to write about … so … Continue reading

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Tested: eX-power 75Wh Laptop/USB Power Bank (16-19V Output)

Not very long ago, I salvaged a pair of eX-power laptop power banks, but it didn’t come with any output cables. As a result, I was only able to test the USB power output on them, which was underwhelming in … Continue reading

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Project: EQKit HBL-22 Breathing Green LED Heart Kit

I just can’t help myself, so I grabbed another kit off the pile and decided to build it. This is yet another “cheap” kit from eBay intended for educational use. This particular kit is an EQKit HBL-22 “breathing” LED heart … Continue reading

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Project: Unbranded 38 x 5mm LED DIY Lamp Kit

Trawling eBay listings for some more cheap kits to build resulted in some rather interesting discoveries. The kit in question was a 38 LED do-it-yourself LED lamp kit for AU$1.47. At that price, I thought I’d jump on it despite … Continue reading

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Project: Generic Chinese Electronic LED Windmill Kit

I’ve always been someone to enjoy constructing electronics kits from a young age. Even though I’ve become more experienced at soldering and more knowledgeable about electronics, I still find constructing new kits therapeutic and enjoyable for a bit of weekend … Continue reading

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Repair: Xiaomi Redmi Note 2 Power Button

I bought my Xiaomi Redmi Note 2 back at the beginning of 2016 and it’s served as both my data-phone (browsing, data SIM) for a year and as a phone-phone (calls, SMS) for the remainder. It was good value when … Continue reading

Posted in Radio, Telecommunications | Tagged , , , , , | 1 Comment

C-band Sats – Part 9: 172E Eutelsat 172B, 180E Intelsat 18, 177W NSS 9

In the final installment, I look at the three easternmost satellites with signals receivable in Sydney, namely Eutelsat 172B, Intelsat 18 and NSS9. Owing to their positioning and the markets which they serve, the latter two are circularly polarized and … Continue reading

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C-band Sats – Part 8: ~154E Mystery?, 166E Intelsat 19, 169E Intelsat 805

By now, we’re at the satellites which are pretty much at the highest elevation in Sydney. Owing to the fact that satellites aren’t covering the entire belt, even though we’ve only looked through about 50% of the arc, it covers … Continue reading

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C-band Sats – Part 7: 142E-150E (?) Unidentified/Mystery Satellites

The last post ended on a semi mystery at around 140°E which I believed to be Express AM5. A look at the Lyngsat satellite chart shows that there aren’t any known C-band satellites between 138°E Telstar 18 and 166°E Intelsat … Continue reading

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C-band Sats – Part 6: 134E Apstar 6, 138E Telstar 18, 140E Express AM5 (?)

The satellite-hunting story continues (thanks to a little more free time), this time looking at Apstar 6, Telstar 18 and what I believe to be Express AM5. These spectrums were taken during the period of 24th-26th March, but I’ve only … Continue reading

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C-band Sats – Part 5: 125E ChinaSat 6A, 128.5E LaoSat 1 (?), 132E Vinasat 1

This part of my satellite hunting adventure looks at ChinaSat 6A, what I suspect to be LaoSat 1 and Vinasat 1. 125°E ChinaSat 6A ChinaSat 6A has a very similar role to ChinaSat 6B, carrying a large number of carriers … Continue reading

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C-band Sats – Part 4: 115.5E ChinaSat 6B, 120E AsiaSat 6, 122E AsiaSat 9

In part four of the series, I continue my C-band satellite hunting adventure by moving up the belt. This post looks at 115.5 degrees East (ChinaSat 6B), 120 degrees East (AsiaSat 6) and 122 degrees East (AsiaSat 9). 115.5°E ChinaSat … Continue reading

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C-band Sats – Part 3: 100.5E AsiaSat 5, 105.5E AsiaSat 7, 113E Palapa D

Continuing on my quest to hunt all the C-band satellites in sight, this post continues the series up from the western horizon to visit AsiaSat 5, AsiaSat 7 and Palapa D. 100.5°E AsiaSat 5 AsiaSat 5 serves direct to home … Continue reading

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C-band Sats – Part 2: 83E G-Sat 10(?), 87.5E ChinaSat 12, 91.5E Measat 3/3a

I decided to start my scan from the western horizon upward. The first challenge was attempting to receive the satellite that is the lowest possible elevation to the west, then tracking the belt upwards to reach the other satellites. At … Continue reading

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C-band Sats – Part 1: Introduction to Satellite Hunting

It was a little more than a month ago in March, during some wet weather and a lull in my job-hunting schedule, that I thought I’d embark on a C-band satellite hunt. No, I’m not shooting down satellites … it’s … Continue reading

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Analysis: Optus Fetch Mighty DVR Hard Drive

Walking around the neighbourhood one day, I come across a pile of discarded technology. Another salvage opportunity. I’m so excited … and I just can’t hide it! In the pile of junk, I find an Optus Fetch Mighty DVR. It … Continue reading

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Random: 3M Views, Birthday Analysis and Taronga Zoo

“It’s been a while since I last posted.” “A lot has happened since my last posting …” It’s unfortunate, but I’m afraid that this might be the way I start most of my posts in the future. Life has become … Continue reading

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Repair: Mezzo ESM-008 Sewing Machine Power Jack Assembly

Sometimes, the best thing in life is not knowing what might happen next. After I repaired a washing machine using some rather funny trickery, this week, it was the sewing machine that needed attention. The particular sewing machine was a … Continue reading

Posted in DIY, Electronics | Tagged , , | 5 Comments

Salvaged: eX-power 75Wh Laptop/USB Power Bank

Sometimes it pays to hang around various tertiary institutions. Case in point, when earlier this week, a group was moving out of their old lab into a new one. Events like these are often the impetus for a proper clean-up … Continue reading

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Review, Teardown: TP-Link Archer T2UHP AC600 High Power USB Adapter

I had looked at a relatively cheap dual-band 802.11ac dual-stream USB Wi-Fi adapter recently and it seemed that the pain of single-band Wi-Fi solutions may be soon coming to an end. Unfortunately, that adapter did have some design quirks and … Continue reading

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Review, Teardown: Unbranded 4-port USB 3.0 Type-C Hub (T-511C/K-UH301)

There comes a time when, if you’re like me, you run out of USB ports on your main computer. Like it or not, almost everything connects via USB – for example, I have a webcam, keyboard, mouse, printer (or two), … Continue reading

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Failed Repair: Samsung U28D590D 27″ UHD 4K LCD Monitor

It’s amazing how busy I’ve been lately, to the point that things are just piling up without a chance to get posted. Luckily, it’s now Easter break and I have a little time I can spend catching up. On Thursday, … Continue reading

Posted in Computing, Electronics | Tagged , , , , , , | 2 Comments

Review, Teardown: Unbranded AC1200 Dual-Band USB 3.0 Wi-Fi Adapter

In the short span of about two decades, Wi-Fi went from being a luxury that you would consider a limited alternative to a cabled Ethernet connection, useful for mobile devices only, to something resembling a near-replacement for the cabled Ethernet … Continue reading

Posted in Computing, Radio, Telecommunications | Tagged , , , , , , , , , | 7 Comments

Failed: Okuma CNC Lathe Control IPL 3.5″ Floppy Data Recovery

In mid-January this year, a reader contacted me regarding their set of control floppies for an Okuma CNC lathe. Owing to the age of the equipment, the control program is loaded into volatile SRAM, backed-up by a battery. Every five … Continue reading

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Repair: LG WF-T552A 5.5kg TurboDrum Washing Machine

In what seems to be just another day at the office home, something always manages to need my attention. This time, it was our washing machine which was behaving strangely. This particular machine was an LG WF-T552A TurboDrum 5.5kg with … Continue reading

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